Commit Graph

1292 Commits

Author SHA1 Message Date
Linus Torvalds
b64f26c62d sound fixes for 4.15-rc1
All commits found here are small fixes for regression or stable:
 - PCM timestamp behavior fix that could be seen as a regression
 - Remove spurious WARN_ON() from ALSA timer 32bit compat ioctl
 - HD-audio HDMI/DP channel mapping fix for 32bit archs
 - Fix the previous fix for HD-audio initialization code
 - More hardening USB-audio against malicious USB descriptors
 - HD-audio quirks/fixes (Realtek codec, AMD controller)
 - Missing help text for the recent Intel SST kconfig change
 -----BEGIN PGP SIGNATURE-----
 
 iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAloWo6MOHHRpd2FpQHN1
 c2UuZGUACgkQLtJE4w1nLE/ZNg//WUXr72TCs6OdO45C0tbmHTa3xYNSZGsMcbBx
 9GoNk69SGpy9KHX5Xdtgax71mrUXO2BN+vU5R04oVWjcBs7L+BpbVRk9/HMgBYPz
 GEnwziRXG7YiHmMsbxLhu3gjky2qwrmCZQAFMTIR1z9tFDwZwraLuvdE5iZoB8bu
 r7fatcyF8Wqfg2IwqRdJ/ECheFN00TqzPSWG/p8DOrGl/lXaOWv1IJ9rXOzNdkgx
 6UOS5Z6kgaxm6d7Ym7Chn3Fl7EbrKCqCFLw/yG1KB199Q+fiQNeGZgVjLbPIFGjS
 K4dA7p7Ko6eqZP4t8QrvbgW6QBVrjXG5iTW4DBKs7VPUiRcNctGjdSf00ERu+HV5
 NCGEpnYQ5O6mAIHUcXPaQX+0lsK5J2In1ZuBql51sSISGxKH3KZR4yubXcjRbGYL
 IrcwLPdnBaG/V2C6EQwjCiJgXPZwclbZgpU+Js6VWwKKChzLexVVnJHvfPAr+Up/
 uMM5qkimNUJAzCP0v3IRr9RSSscdISM5qKhTloE9q5RqnON74GMjtZ+VisHgt7Pd
 elDkMMEpxVs2ydj7AxwquaXkfUtEtRswwg9CmpJ8qjUGLcqU4K7N3NdK3HCh+Tp6
 EbXzaVCesXN3/MUNjpEoD80KsE2DPYgXYw24DT0LuGVXgTlVm8qkZ21rUK94U7W0
 B9XAAsE=
 =iYNz
 -----END PGP SIGNATURE-----

Merge tag 'sound-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "All commits found here are small fixes for regression or stable:

   - PCM timestamp behavior fix that could be seen as a regression

   - Remove spurious WARN_ON() from ALSA timer 32bit compat ioctl

   - HD-audio HDMI/DP channel mapping fix for 32bit archs

   - Fix the previous fix for HD-audio initialization code

   - More hardening USB-audio against malicious USB descriptors

   - HD-audio quirks/fixes (Realtek codec, AMD controller)

   - Missing help text for the recent Intel SST kconfig change"

* tag 'sound-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda: Add Raven PCI ID
  ALSA: hda/realtek - Fix ALC700 family no sound issue
  ALSA: hda - Fix yet remaining issue with vmaster 0dB initialization
  ALSA: usb-audio: Add sanity checks in v2 clock parsers
  ALSA: usb-audio: Fix potential zero-division at parsing FU
  ALSA: usb-audio: Fix potential out-of-bound access at parsing SU
  ALSA: usb-audio: Add sanity checks to FE parser
  ALSA: timer: Remove kernel warning at compat ioctl error paths
  ALSA: pcm: update tstamp only if audio_tstamp changed
  ALSA: hda/realtek: Add headset mic support for Intel NUC Skull Canyon
  ALSA: hda: Fix too short HDMI/DP chmap reporting
  ALSA: usb-audio: uac1: Invalidate ctl on interrupt
  ALSA: hda/realtek - Fix ALC275 no sound issue
  ASoC: Intel: Add help text for SND_SOC_INTEL_SST_TOPLEVEL
2017-11-23 21:09:41 -10:00
Takashi Iwai
0a62d6c966 ALSA: usb-audio: Add sanity checks in v2 clock parsers
The helper functions to parse and look for the clock source, selector
and multiplier unit may return the descriptor with a too short length
than required, while there is no sanity check in the caller side.
Add some sanity checks in the parsers, at least, to guarantee the
given descriptor size, for avoiding the potential crashes.

Fixes: 79f920fbff ("ALSA: usb-audio: parse clock topology of UAC2 devices")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-21 17:50:34 +01:00
Takashi Iwai
8428a8ebde ALSA: usb-audio: Fix potential zero-division at parsing FU
parse_audio_feature_unit() contains a code dividing potentially with
zero when a malformed FU descriptor is passed.  Although there is
already a sanity check, it checks only the value zero, hence it can
still lead to a zero-division when a value 1 is passed there.

Fix it by correcting the sanity check (and the error message
thereof).

Fixes: 23caaf19b1 ("ALSA: usb-mixer: Add support for Audio Class v2.0")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-21 17:50:32 +01:00
Takashi Iwai
f658f17b5e ALSA: usb-audio: Fix potential out-of-bound access at parsing SU
The usb-audio driver may trigger an out-of-bound access at parsing a
malformed selector unit, as it checks the header length only after
evaluating bNrInPins field, which can be already above the given
length.  Fix it by adding the length check beforehand.

Fixes: 99fc86450c ("ALSA: usb-mixer: parse descriptors with structs")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-21 17:50:31 +01:00
Takashi Iwai
d937cd6790 ALSA: usb-audio: Add sanity checks to FE parser
When the usb-audio descriptor contains the malformed feature unit
description with a too short length, the driver may access
out-of-bounds.  Add a sanity check of the header size at the beginning
of parse_audio_feature_unit().

Fixes: 23caaf19b1 ("ALSA: usb-mixer: Add support for Audio Class v2.0")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-21 17:50:29 +01:00
Julian Scheel
b2500b584c ALSA: usb-audio: uac1: Invalidate ctl on interrupt
When an interrupt occurs, the value of at least one of the belonging
controls should have changed. To make sure they get re-read from device
on the next read, invalidate the cache. This was correctly implemented
for uac2 already, but missing for uac1.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-17 11:55:45 +01:00
Linus Torvalds
4e4510fec4 sound updates for 4.15-rc1
There are no big surprising changes in this cycle, yet not too
 boring, either.  The biggest change from diffstat POV is the removal
 of the legacy OSS driver codes that have been already disabled for a
 long time.  This will bring a few trivial merge conflicts.
 
 As new features in ASoC side, there are two things: a new AC97 bus
 implementation and AMD Stony platform support.  Both include the
 relevant changes shared with other subsystems, e.g. AC97 MFD changes
 and DRM AMD changes.
 
 Some other highlighted topics are:
 - A bunch of USB-audio drivers got the hardening against the malicious
   device accesses with a new helper code for endpoint sanity check.
 - Lots of cleanups for ASoC Intel platform code, including support for
   their open source audio firmware.
 - Continued ASoC core componentization works.
 - Support for scaling MCLK with sample rate in ASoC simple-card.
 - Stabler PCM hot-unplug capability, especially for ASoC usages.
 -----BEGIN PGP SIGNATURE-----
 
 iQJCBAABCAAsFiEECxfAB4MH3rD5mfB6bDGAVD0pKaQFAloLAk4OHHRpd2FpQHN1
 c2UuZGUACgkQbDGAVD0pKaSCjw/+LUcMsAtjsdjP/GojqxI3FwK5R5e1vLmg+3lD
 TvWbVH23DqASvMhuar9N1Z+yiBWVuU6qa7eElqgOUUopo0Wlyf/93drqwKhqmFgH
 PVYxa3zKu7otU7SghfBVvpivAtvTlsyUVKnSXfL4DQQwXlqvdToQj3+J4eckiqVP
 u02fxn+h7lviLdRFhB+5JAJIK5nupcol1GIxbHwtELBCeoMAXjTbXTz5QToJizPp
 lMuzYLb1tvp7QrpYI5PgZ6YnAfA2GL7cCPMwdx63d8NYGtiWJd+iCtc/fM1WkElm
 8Py0yNvy1gHrjgQpku6Db1mhXNYYbu1qCKfLLMS4W8VOFkZughLNKLLqPQ+Eev5p
 PoHgGZLrCJk2W+vgF6nvoaw5AkZKKmKxzKYH9/gvvFkWrR1BW21XdLLRBm+TOahF
 Bj/c5t1k5WX4FVxotd78h3JVLY9Te+3re5Ak5cb0eGYE5+LHWX9tbObM7zfeZGv2
 5kw8cGTekcYkrKhh/HrORw8mEUFBRJfXfbUn+pIde6P56nJRa43JpE6JhXqstUpL
 n22DxUSIH8DWGkzWXGOmoOSFBolfcsOqTuws2QcT5oRfLnGikRCMii5UeLoW899i
 zlMmxfYSXOgjyWPXhvNROV5vEYNQZDiypjCoq0qbt+uy/mGne+L5ZFCbdJf4rIS/
 rKW4ILU=
 =BCBK
 -----END PGP SIGNATURE-----

Merge tag 'sound-4.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There are no big surprising changes in this cycle, yet not too boring,
  either. The biggest change from diffstat POV is the removal of the
  legacy OSS driver codes that have been already disabled for a long
  time. This will bring a few trivial merge conflicts.

  As new features in ASoC side, there are two things: a new AC97 bus
  implementation and AMD Stony platform support. Both include the
  relevant changes shared with other subsystems, e.g. AC97 MFD changes
  and DRM AMD changes.

  Some other highlighted topics are:

   - A bunch of USB-audio drivers got the hardening against the
     malicious device accesses with a new helper code for endpoint
     sanity check

   - Lots of cleanups for ASoC Intel platform code, including support
     for their open source audio firmware

   - Continued ASoC core componentization works

   - Support for scaling MCLK with sample rate in ASoC simple-card

   - Stabler PCM hot-unplug capability, especially for ASoC usages"

* tag 'sound-4.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (302 commits)
  Documentation: sound: hd-audio: notes.rst
  ASoC: bcm2835: Support left/right justified and DSP modes
  ASoC: bcm2835: Enforce full symmetry
  ASoC: bcm2835: Support additional samplerates up to 384kHz
  ASoC: bcm2835: Add support for TDM modes
  ASoC: add mclk-fs support to audio graph card
  ASoC: add mclk-fs to audio graph card binding
  ASoC: rt5514: work around link error
  ASoC: rt5514: mark PM functions as __maybe_unused
  ASoC: rt5663: Check the JD status in the button pushing
  ASoC: amd: Modified DMA transfer Mechanism for Playback
  ASoC: rt5645: Wait for 400msec before concluding on value of RT5645_VENDOR_ID2
  ASoC: sun4i-codec: fixed 32bit audio capture support for H3/H2+
  ASoC: da7213: add support for DSP modes
  ASoC: sun8i-codec: Add a comment on the LRCK inversion
  ASoC: sun8i-codec: Set the BCLK divider
  ASoC: rt5663: Delay and retry reading rt5663 ID register
  ASoC: amd: use do_div rather than 64 bit division to fix 32 bit builds
  ASoC: cs42l56: Fix reset GPIO name in example DT binding
  ASoC: rt5514-spi: check irq status to schedule data copy in resume function
  ...
2017-11-14 18:01:46 -08:00
Linus Torvalds
8e9a2dba86 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking updates from Ingo Molnar:
 "The main changes in this cycle are:

   - Another attempt at enabling cross-release lockdep dependency
     tracking (automatically part of CONFIG_PROVE_LOCKING=y), this time
     with better performance and fewer false positives. (Byungchul Park)

   - Introduce lockdep_assert_irqs_enabled()/disabled() and convert
     open-coded equivalents to lockdep variants. (Frederic Weisbecker)

   - Add down_read_killable() and use it in the VFS's iterate_dir()
     method. (Kirill Tkhai)

   - Convert remaining uses of ACCESS_ONCE() to
     READ_ONCE()/WRITE_ONCE(). Most of the conversion was Coccinelle
     driven. (Mark Rutland, Paul E. McKenney)

   - Get rid of lockless_dereference(), by strengthening Alpha atomics,
     strengthening READ_ONCE() with smp_read_barrier_depends() and thus
     being able to convert users of lockless_dereference() to
     READ_ONCE(). (Will Deacon)

   - Various micro-optimizations:

        - better PV qspinlocks (Waiman Long),
        - better x86 barriers (Michael S. Tsirkin)
        - better x86 refcounts (Kees Cook)

   - ... plus other fixes and enhancements. (Borislav Petkov, Juergen
     Gross, Miguel Bernal Marin)"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (70 commits)
  locking/x86: Use LOCK ADD for smp_mb() instead of MFENCE
  rcu: Use lockdep to assert IRQs are disabled/enabled
  netpoll: Use lockdep to assert IRQs are disabled/enabled
  timers/posix-cpu-timers: Use lockdep to assert IRQs are disabled/enabled
  sched/clock, sched/cputime: Use lockdep to assert IRQs are disabled/enabled
  irq_work: Use lockdep to assert IRQs are disabled/enabled
  irq/timings: Use lockdep to assert IRQs are disabled/enabled
  perf/core: Use lockdep to assert IRQs are disabled/enabled
  x86: Use lockdep to assert IRQs are disabled/enabled
  smp/core: Use lockdep to assert IRQs are disabled/enabled
  timers/hrtimer: Use lockdep to assert IRQs are disabled/enabled
  timers/nohz: Use lockdep to assert IRQs are disabled/enabled
  workqueue: Use lockdep to assert IRQs are disabled/enabled
  irq/softirqs: Use lockdep to assert IRQs are disabled/enabled
  locking/lockdep: Add IRQs disabled/enabled assertion APIs: lockdep_assert_irqs_enabled()/disabled()
  locking/pvqspinlock: Implement hybrid PV queued/unfair locks
  locking/rwlocks: Fix comments
  x86/paravirt: Set up the virt_spin_lock_key after static keys get initialized
  block, locking/lockdep: Assign a lock_class per gendisk used for wait_for_completion()
  workqueue: Remove now redundant lock acquisitions wrt. workqueue flushes
  ...
2017-11-13 12:38:26 -08:00
Takashi Iwai
76727c2c3b ASoC: Updates for v4.15
The biggest thing this release has been the conversion of the AC98 bus
 to the driver model, that's been a long time coming so thanks to Robert
 Jarzmik for his dedication there.  Due to there being some AC97 MFD
 there's a few fairly large changes in input and the MFD layer, mainly to
 the wm97xx driver.
 
 There's also some drivers/drm changes to support the new AMD Stoney
 platform, these are shared with the DRM subsystem and should be being
 merged via both.
 
 Within the subsystem the overwhelming bulk of the changes is in the
 Intel drivers which continue to need lots of cleanups and fixes, this
 release they've also gained support for their open source firmware.
 There's also some large changs in the core as Morimoto-san continues to
 mirror operations into the component level in preparation for conversion
 of drivers to that.
 
  - The AC97 bus has finally caught up with the driver model thanks to
    some dedicated and persistent work from Robert Jarzmik.
  - Continued work from Morimoto-san on moving us towards being able to
    use components for everything.
  - Lots of cleanups for the Intel platform code, including support for
    their open source audio firmware.
  - Support for scaling MCLK with sample rate in simple-card.
  - Support for AMD Stoney platform.
 -----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAloJhwMTHGJyb29uaWVA
 a2VybmVsLm9yZwAKCRAk1otyXVSH0KzbB/9tXryXYz3dnKVlm9rk+Cq0Xy4TrUNk
 WY+Il+Di1b6CQJbAm9GSacJxR+siupZCjGC5roHznj/AA2l0RuxJXpxG40Db8ZX+
 bDR7mIWtuTUJHazqXltafj9ydElRKVpOGPAi5YJhhW5bXQ3SR9fFy0D3mdcT02v4
 SyMExhOMz+mdnuBhbWx9kqJ9LPzCs0ow+R4uoRgAQxpFXPBGtq06sMkK86lGfsl/
 iRM36J6FIeIQQfSHG/dkkpoybVax43z4OH7G1IL2FOU7miwkjZh/TTh/xHTd86Mc
 OOuGu4hB+MjvccSOa9HSrOqFjxtkZipstwqYVWoYQcUoIVpcg0YRk7TG
 =5KBY
 -----END PGP SIGNATURE-----

Merge tag 'asoc-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.15

The biggest thing this release has been the conversion of the AC98 bus
to the driver model, that's been a long time coming so thanks to Robert
Jarzmik for his dedication there.  Due to there being some AC97 MFD
there's a few fairly large changes in input and the MFD layer, mainly to
the wm97xx driver.

There's also some drivers/drm changes to support the new AMD Stoney
platform, these are shared with the DRM subsystem and should be being
merged via both.

Within the subsystem the overwhelming bulk of the changes is in the
Intel drivers which continue to need lots of cleanups and fixes, this
release they've also gained support for their open source firmware.
There's also some large changs in the core as Morimoto-san continues to
mirror operations into the component level in preparation for conversion
of drivers to that.

 - The AC97 bus has finally caught up with the driver model thanks to
   some dedicated and persistent work from Robert Jarzmik.
 - Continued work from Morimoto-san on moving us towards being able to
   use components for everything.
 - Lots of cleanups for the Intel platform code, including support for
   their open source audio firmware.
 - Support for scaling MCLK with sample rate in simple-card.
 - Support for AMD Stoney platform.
2017-11-13 15:45:57 +01:00
Takashi Iwai
c429bda21f Merge branch 'for-next' into for-linus
Pull 4.15 updates to take over the previous urgent fixes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-13 15:43:13 +01:00
Linus Torvalds
d93d4ce103 sound fixes for 4.14
The amount of the changes isn't as quite small as wished, nevertheless
 they are straight fixes that deserve merging to 4.14 final.
 
 Most of fixes are about ALSA core bugs spotted by fuzzer: a follow-up
 fix for the previous nested rwsem patch, a fix to avoid the resource
 hogs due to too many concurrent ALSA timer invocations, and a fix for
 a crash with SYSEX MIDI transfer over OSS sequencer emulation that is
 used by none but fuzzer.
 
 The rest are usual HD-audio and USB-audio device-specific quirks,
 which are safe to apply.
 -----BEGIN PGP SIGNATURE-----
 
 iQJCBAABCAAsFiEECxfAB4MH3rD5mfB6bDGAVD0pKaQFAloEM2wOHHRpd2FpQHN1
 c2UuZGUACgkQbDGAVD0pKaTBhA//RLxylDxyZ/OPOpvCIcF9pPhZdt5Ep16h5bFd
 fr/AmipflVkba6K7auT5JpcwBC+w+24VN2G8huUTZ+HAH1lVVqiSs+XZYw2sHlOi
 uL/DZ0pEVN8412UH/7Iu4vYeiz/XRzd1YtGQkFI4KKrwm10Vz2sR6JHgvLh30/Zz
 pyZrMSsu29yrT1R4l0zI5abEBs23n7vYpi9vsKInP44UkGZwi5iKPH0ThTrCJ92A
 uKOAhIJkGZk0q9GCWnVhe/NWF6t0YK7c4FWqTgXOmIdDpGfylwdjdAsFAFG/cs4x
 n4pZiwO3seFH+6fr4fc0esNqN/adj+15YEyzUmt12ctLKLEELFhJowT9Grnz1Zoq
 jswfkXMJIWdqHQ3YBxlhs4Q8ZM7fDXf/gYqsOIRolxy6dtrJ1SLVjJkhtYWx/T+V
 P++ftn9CQneji1/wqAqUw4HVyc+36rLYK60GKDVtrTCigyilCrq84Yj8W0qAqKJD
 /CK77d1NKdVZ4do+GpzXjwpwNs6LzjSjqkNH2hdDG4gBNoILxxo9GNYSnjOiLxm4
 UCFA6SkD4vlq70VT3vn9YleFq2FzNADQ8jVgliyL1+4mF5baPXKHAdtGJA/HI7Nz
 23wf/1zIoOXd+GymaI20ke2EaVvTVVLDyvQSwFVspmSfu6MA0faGy8AUFJWCR8Nh
 heXgbu0=
 =Q2mh
 -----END PGP SIGNATURE-----

Merge tag 'sound-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "The amount of the changes isn't as quite small as wished, nevertheless
  they are straight fixes that deserve merging to 4.14 final.

  Most of fixes are about ALSA core bugs spotted by fuzzer: a follow-up
  fix for the previous nested rwsem patch, a fix to avoid the resource
  hogs due to too many concurrent ALSA timer invocations, and a fix for
  a crash with SYSEX MIDI transfer over OSS sequencer emulation that is
  used by none but fuzzer.

  The rest are usual HD-audio and USB-audio device-specific quirks,
  which are safe to apply"

* tag 'sound-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - fix headset mic problem for Dell machines with alc274
  ALSA: seq: Fix OSS sysex delivery in OSS emulation
  ALSA: seq: Avoid invalid lockdep class warning
  ALSA: timer: Limit max instances per timer
  ALSA: usb-audio: support new Amanero Combo384 firmware version
2017-11-09 09:58:11 -08:00
Ingo Molnar
8c5db92a70 Merge branch 'linus' into locking/core, to resolve conflicts
Conflicts:
	include/linux/compiler-clang.h
	include/linux/compiler-gcc.h
	include/linux/compiler-intel.h
	include/uapi/linux/stddef.h

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-11-07 10:32:44 +01:00
Takashi Iwai
aed328fec0 Merge branch 'topic/usb-ep-check-v2' into for-next
Pull another fix of URB EP type check.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-06 15:04:35 +01:00
Takashi Iwai
f9a1c37229 ALSA: usx2y: Fix invalid stream URBs
The us122l driver creates URBs per the fixed endpoints, and this may
end up with URBs with inconsistent pipes when a fuzzer or a malicious
program deals with the manipulated endpoints.  It ends up with a
kernel warning like:

  usb 1-1: BOGUS urb xfer, pipe 0 != type 3
  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 24 at drivers/usb/core/urb.c:471
  usb_submit_urb+0x113e/0x1400
  Call Trace:
   usb_stream_start+0x48a/0x9f0 sound/usb/usx2y/usb_stream.c:690
   us122l_start+0x116/0x290 sound/usb/usx2y/us122l.c:365
   us122l_create_card sound/usb/usx2y/us122l.c:502
   us122l_usb_probe sound/usb/usx2y/us122l.c:588
   ....

For avoiding the bad access, this patch adds a few sanity checks of
the validity of created URBs like previous similar fixes using the new
usb_urb_ep_type_check() helper function.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-06 15:03:38 +01:00
Greg Kroah-Hartman
b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02 11:10:55 +01:00
Jussi Laako
f5ce817951 ALSA: usb-audio: support new Amanero Combo384 firmware version
Support DSD_U32_BE sample format on new Amanero Combo384 firmware
version on older VID/PID.

Fixes: 3eff682d76 ("ALSA: usb-audio: Support both DSD LE/BE Amanero firmware versions")
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-11-02 09:48:55 +01:00
Mark Rutland
6aa7de0591 locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()
Please do not apply this to mainline directly, instead please re-run the
coccinelle script shown below and apply its output.

For several reasons, it is desirable to use {READ,WRITE}_ONCE() in
preference to ACCESS_ONCE(), and new code is expected to use one of the
former. So far, there's been no reason to change most existing uses of
ACCESS_ONCE(), as these aren't harmful, and changing them results in
churn.

However, for some features, the read/write distinction is critical to
correct operation. To distinguish these cases, separate read/write
accessors must be used. This patch migrates (most) remaining
ACCESS_ONCE() instances to {READ,WRITE}_ONCE(), using the following
coccinelle script:

----
// Convert trivial ACCESS_ONCE() uses to equivalent READ_ONCE() and
// WRITE_ONCE()

// $ make coccicheck COCCI=/home/mark/once.cocci SPFLAGS="--include-headers" MODE=patch

virtual patch

@ depends on patch @
expression E1, E2;
@@

- ACCESS_ONCE(E1) = E2
+ WRITE_ONCE(E1, E2)

@ depends on patch @
expression E;
@@

- ACCESS_ONCE(E)
+ READ_ONCE(E)
----

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: davem@davemloft.net
Cc: linux-arch@vger.kernel.org
Cc: mpe@ellerman.id.au
Cc: shuah@kernel.org
Cc: snitzer@redhat.com
Cc: thor.thayer@linux.intel.com
Cc: tj@kernel.org
Cc: viro@zeniv.linux.org.uk
Cc: will.deacon@arm.com
Link: http://lkml.kernel.org/r/1508792849-3115-19-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-10-25 11:01:08 +02:00
Kees Cook
a6162afa71 ALSA: usb-audio: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-17 10:52:22 +02:00
Takashi Iwai
0011a33f09 Merge branch 'for-linus' into for-next
Back-merge for applying the timer API conversion patch for line6
driver that conflicts with the recent fix in upstream.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-17 10:52:06 +02:00
Colin Ian King
49815404bd ALSA: 6fire: remove unused variable card
The pointer card is being assigned a value but it is never used.
Remove this redundant variable. Cleans up clang warning:
Value stored to 'card' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-16 14:48:49 +02:00
Jussi Laako
9bb201a5d5 ALSA: usb-audio: Add native DSD support for Pro-Ject Pre Box S2 Digital
Add native DSD support quirk for Pro-Ject Pre Box S2 Digital USB id
2772:0230.

Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-16 13:34:55 +02:00
Takashi Iwai
99fee50824 ALSA: caiaq: Fix stray URB at probe error path
caiaq driver doesn't kill the URB properly at its error path during
the probe, which may lead to a use-after-free error later.  This patch
addresses it.

Reported-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Johan Hovold <johan@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 17:01:18 +02:00
Takashi Iwai
8ed5d192c0 Merge branch 'topic/usb-ep-check-v2' into for-next
Pulling the EP validity checks in USB audio drivers.
It also adds a new helper in USB core, which was acked by Greg.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 17:00:08 +02:00
Takashi Iwai
4f95646c80 ALSA: line6: Add yet more sanity checks for invalid EPs
There are a few other places calling usb_submit_urb() with the URB
composed from the fixed endpoint without validation.  For avoiding the
spurious kernel warnings, add the sanity checks to appropriate
places.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 16:59:29 +02:00
Takashi Iwai
96cd79626f ALSA: caiaq: Add yet more sanity checks for invalid EPs
A few other places in caiaq driver have the URB handling with the
fixed endpoints without checking the validity, too.  Add the sanity
check with the new helper function at each appropriate place for
avoiding the spurious kernel warnings due to invalid EPs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 16:59:28 +02:00
Takashi Iwai
5935b9526a ALSA: hiface: Add sanity checks for invalid EPs
hiface usb-audio driver sets up URBs containing the fixed endpoints
without validation.  This may end up with an oops-like kernel warning
when submitted.

For avoiding it, this patch adds the calls of the new sanity-check
helper for URBs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 16:59:27 +02:00
Takashi Iwai
1f10034938 ALSA: usx2y: Add sanity checks for invalid EPs
usx2y driver sets up URBs containing the fixed endpoints without
validation.  This may end up with an oops-like kernel warning when
submitted.

For avoiding it, this patch adds the calls of the new sanity-check
helper for URBs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 16:52:33 +02:00
Takashi Iwai
738d9edcfd ALSA: usb-audio: Add sanity checks for invalid EPs
USB-audio driver may set up a URB containing the fixed EP without
validating its presence for some non-class-compliant devices.  This
may end up with an oops-like kernel warning when submitted.

For avoiding it, this patch adds the call of the new sanity-check
helper for URBs.  The checks are needed only for MIDI I/O as the other
places have already some other checks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 15:14:51 +02:00
Takashi Iwai
2a4340c577 ALSA: line6: Add a sanity check for invalid EPs
As syzkaller spotted, currently line6 drivers submit a URB with the
fixed EP without checking whether it's actually available, which may
result in a kernel warning like:
  usb 1-1: BOGUS urb xfer, pipe 3 != type 1
  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 24 at drivers/usb/core/urb.c:449
  usb_submit_urb+0xf8a/0x11d0
  Modules linked in:
  CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.0-rc2-42613-g1488251d1a98 #238
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Workqueue: usb_hub_wq hub_event
  Call Trace:
   line6_start_listen+0x55f/0x9e0 sound/usb/line6/driver.c:82
   line6_init_cap_control sound/usb/line6/driver.c:690
   line6_probe+0x7c9/0x1310 sound/usb/line6/driver.c:764
   podhd_probe+0x64/0x70 sound/usb/line6/podhd.c:474
   usb_probe_interface+0x35d/0x8e0 drivers/usb/core/driver.c:361
   ....

This patch adds a sanity check of validity of EPs at the device
initialization phase for avoiding the call with an invalid EP.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 15:14:50 +02:00
Takashi Iwai
58fc7f73a8 ALSA: caiaq: Add a sanity check for invalid EPs
As syzkaller spotted, currently caiaq driver submits a URB with the
fixed EP without checking whether it's actually available, which may
result in a kernel warning like:
  usb 1-1: BOGUS urb xfer, pipe 3 != type 1
  ------------[ cut here ]------------
  WARNING: CPU: 1 PID: 1150 at drivers/usb/core/urb.c:449
  usb_submit_urb+0xf8a/0x11d0
  Modules linked in:
  CPU: 1 PID: 1150 Comm: kworker/1:1 Not tainted
  4.14.0-rc2-42660-g24b7bd59eec0 #277
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Workqueue: usb_hub_wq hub_event
  Call Trace:
   init_card sound/usb/caiaq/device.c:467
   snd_probe+0x81c/0x1150 sound/usb/caiaq/device.c:525
   usb_probe_interface+0x35d/0x8e0 drivers/usb/core/driver.c:361
   ....

This patch adds a sanity check of validity of EPs at the device
initialization phase for avoiding the call with an invalid EP.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 15:14:50 +02:00
Takashi Iwai
6815a0b444 ALSA: bcd2000: Add a sanity check for invalid EPs
As syzkaller spotted, currently bcd2000 driver submits a URB with the
fixed EP without checking whether it's actually available, which may
result in a kernel warning like:
  usb 1-1: BOGUS urb xfer, pipe 1 != type 3
  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 1846 at drivers/usb/core/urb.c:449
  usb_submit_urb+0xf8a/0x11d0
  Modules linked in:
  CPU: 0 PID: 1846 Comm: kworker/0:2 Not tainted
  4.14.0-rc2-42613-g1488251d1a98 #238
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Workqueue: usb_hub_wq hub_event
  Call Trace:
   bcd2000_init_device sound/usb/bcd2000/bcd2000.c:289
   bcd2000_init_midi sound/usb/bcd2000/bcd2000.c:345
   bcd2000_probe+0xe64/0x19e0 sound/usb/bcd2000/bcd2000.c:406
   usb_probe_interface+0x35d/0x8e0 drivers/usb/core/driver.c:361
   ....

This patch adds a sanity check of validity of EPs at the device
initialization phase for avoiding the call with an invalid EP.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-11 15:14:49 +02:00
Takashi Iwai
124751d5e6 ALSA: usb-audio: Kill stray URB at exiting
USB-audio driver may leave a stray URB for the mixer interrupt when it
exits by some error during probe.  This leads to a use-after-free
error as spotted by syzkaller like:
  ==================================================================
  BUG: KASAN: use-after-free in snd_usb_mixer_interrupt+0x604/0x6f0
  Call Trace:
   <IRQ>
   __dump_stack lib/dump_stack.c:16
   dump_stack+0x292/0x395 lib/dump_stack.c:52
   print_address_description+0x78/0x280 mm/kasan/report.c:252
   kasan_report_error mm/kasan/report.c:351
   kasan_report+0x23d/0x350 mm/kasan/report.c:409
   __asan_report_load8_noabort+0x19/0x20 mm/kasan/report.c:430
   snd_usb_mixer_interrupt+0x604/0x6f0 sound/usb/mixer.c:2490
   __usb_hcd_giveback_urb+0x2e0/0x650 drivers/usb/core/hcd.c:1779
   ....

  Allocated by task 1484:
   save_stack_trace+0x1b/0x20 arch/x86/kernel/stacktrace.c:59
   save_stack+0x43/0xd0 mm/kasan/kasan.c:447
   set_track mm/kasan/kasan.c:459
   kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551
   kmem_cache_alloc_trace+0x11e/0x2d0 mm/slub.c:2772
   kmalloc ./include/linux/slab.h:493
   kzalloc ./include/linux/slab.h:666
   snd_usb_create_mixer+0x145/0x1010 sound/usb/mixer.c:2540
   create_standard_mixer_quirk+0x58/0x80 sound/usb/quirks.c:516
   snd_usb_create_quirk+0x92/0x100 sound/usb/quirks.c:560
   create_composite_quirk+0x1c4/0x3e0 sound/usb/quirks.c:59
   snd_usb_create_quirk+0x92/0x100 sound/usb/quirks.c:560
   usb_audio_probe+0x1040/0x2c10 sound/usb/card.c:618
   ....

  Freed by task 1484:
   save_stack_trace+0x1b/0x20 arch/x86/kernel/stacktrace.c:59
   save_stack+0x43/0xd0 mm/kasan/kasan.c:447
   set_track mm/kasan/kasan.c:459
   kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:524
   slab_free_hook mm/slub.c:1390
   slab_free_freelist_hook mm/slub.c:1412
   slab_free mm/slub.c:2988
   kfree+0xf6/0x2f0 mm/slub.c:3919
   snd_usb_mixer_free+0x11a/0x160 sound/usb/mixer.c:2244
   snd_usb_mixer_dev_free+0x36/0x50 sound/usb/mixer.c:2250
   __snd_device_free+0x1ff/0x380 sound/core/device.c:91
   snd_device_free_all+0x8f/0xe0 sound/core/device.c:244
   snd_card_do_free sound/core/init.c:461
   release_card_device+0x47/0x170 sound/core/init.c:181
   device_release+0x13f/0x210 drivers/base/core.c:814
   ....

Actually such a URB is killed properly at disconnection when the
device gets probed successfully, and what we need is to apply it for
the error-path, too.

In this patch, we apply snd_usb_mixer_disconnect() at releasing.
Also introduce a new flag, disconnected, to struct usb_mixer_interface
for not performing the disconnection procedure twice.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-10 14:17:09 +02:00
Takashi Iwai
c95072b3d8 ALSA: line6: Fix leftover URB at error-path during probe
While line6_probe() may kick off URB for a control MIDI endpoint, the
function doesn't clean up it properly at its error path.  This results
in a leftover URB action that is eventually triggered later and causes
an Oops like:
  general protection fault: 0000 [#1] PREEMPT SMP KASAN
  CPU: 1 PID: 0 Comm: swapper/1 Not tainted
  RIP: 0010:usb_fill_bulk_urb ./include/linux/usb.h:1619
  RIP: 0010:line6_start_listen+0x3fe/0x9e0 sound/usb/line6/driver.c:76
  Call Trace:
   <IRQ>
   line6_data_received+0x1f7/0x470 sound/usb/line6/driver.c:326
   __usb_hcd_giveback_urb+0x2e0/0x650 drivers/usb/core/hcd.c:1779
   usb_hcd_giveback_urb+0x337/0x420 drivers/usb/core/hcd.c:1845
   dummy_timer+0xba9/0x39f0 drivers/usb/gadget/udc/dummy_hcd.c:1965
   call_timer_fn+0x2a2/0x940 kernel/time/timer.c:1281
   ....

Since the whole clean-up procedure is done in line6_disconnect()
callback, we can simply call it in the error path instead of
open-coding the whole again.  It'll fix such an issue automagically.

The bug was spotted by syzkaller.

Fixes: eedd0e95d3 ("ALSA: line6: Don't forget to call driver's destructor at error path")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-09 16:17:18 +02:00
Takashi Iwai
54a4b2b458 ALSA: line6: Fix NULL dereference at podhd_disconnect()
When podhd_init() failed with the acquiring a ctrl i/f, the line6
helper still calls the disconnect callback that eventually calls again
usb_driver_release_interface() with the NULL intf.

Put the proper NULL check before calling it for avoiding an Oops.

Fixes: fc90172ba2 ("ALSA: line6: Claim pod x3 usb data interface")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-09 16:17:09 +02:00
Takashi Iwai
cb02ffc76a ALSA: line6: Fix missing initialization before error path
The error path in podhd_init() tries to clear the pending timer, while
the timer object is initialized at the end of init sequence, thus it
may hit the uninitialized object, as spotted by syzkaller:

  INFO: trying to register non-static key.
  the code is fine but needs lockdep annotation.
  turning off the locking correctness validator.
  CPU: 1 PID: 1845 Comm: kworker/1:2 Not tainted
  4.14.0-rc2-42613-g1488251d1a98 #238
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Workqueue: usb_hub_wq hub_event
  Call Trace:
   __dump_stack lib/dump_stack.c:16
   dump_stack+0x292/0x395 lib/dump_stack.c:52
   register_lock_class+0x6c4/0x1a00 kernel/locking/lockdep.c:769
   __lock_acquire+0x27e/0x4550 kernel/locking/lockdep.c:3385
   lock_acquire+0x259/0x620 kernel/locking/lockdep.c:4002
   del_timer_sync+0x12c/0x280 kernel/time/timer.c:1237
   podhd_disconnect+0x8c/0x160 sound/usb/line6/podhd.c:299
   line6_probe+0x844/0x1310 sound/usb/line6/driver.c:783
   podhd_probe+0x64/0x70 sound/usb/line6/podhd.c:474
   ....

For addressing it, assure the initializations of timer and work by
moving them to the beginning of podhd_init().

Fixes: 790869dacc ("ALSA: line6: Add support for POD X3")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-09 16:16:51 +02:00
Takashi Iwai
a6aa6cdcec ALSA: usb-audio: Apply vendor ID matching for sample rate quirk
So far, lots of Plantronics, MS and Phoenix Audio devices need the
quirk not to read sample rate back, and the list just grows.
In this patch, instead of adding each device, apply the quirk by
matching with these vendors.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-09 14:11:38 +02:00
Takashi Iwai
545633f6fe Merge branch 'for-linus' into for-next 2017-10-09 14:11:30 +02:00
Kai-Heng Feng
c247487c0d ALSA: usb-audio: Add sample rate quirk for Plantronics P610
Like other Plantronics devices, P610 does not support sample
rate reading. Apply sample rate quirk to it.

BugLink: https://bugs.launchpad.net/bugs/1719853

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-09 14:10:11 +02:00
Takashi Iwai
7682e39948 ALSA: usx2y: Suppress kernel warning at page allocation failures
The usx2y driver allocates the stream read/write buffers in continuous
pages depending on the stream setup, and this may spew the kernel
warning messages with a stack trace like:
  WARNING: CPU: 1 PID: 1846 at mm/page_alloc.c:3883
  __alloc_pages_slowpath+0x1ef2/0x2d70
  Modules linked in:
  CPU: 1 PID: 1846 Comm: kworker/1:2 Not tainted
  ....

It may confuse user as if it were any serious error, although this is
no fatal error and the driver handles the error case gracefully.
Since the driver has already some sanity check of the given size (128
and 256 pages), it can't pass any crazy value.  So it's merely page
fragmentation.

This patch adds __GFP_NOWARN to each caller for suppressing such
kernel warnings.  The original issue was spotted by syzkaller.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-02 18:10:47 +02:00
Bhumika Goyal
e195a331c4 ALSA: line6: make snd_pcm_ops const
Make these const as they are only passed to a const argument of the
function snd_pcm_set_ops in the file referencing them. Also, add const
to the declaration in the headers.

Structures found using Coccinelle and changes done by hand.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-10-02 14:33:23 +02:00
Takashi Iwai
bfc81a8bc1 ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor
When a USB-audio device receives a maliciously adjusted or corrupted
buffer descriptor, the USB-audio driver may access an out-of-bounce
value at its parser.  This was detected by syzkaller, something like:

  BUG: KASAN: slab-out-of-bounds in usb_audio_probe+0x27b2/0x2ab0
  Read of size 1 at addr ffff88006b83a9e8 by task kworker/0:1/24
  CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.0-rc1-42251-gebb2c2437d80 #224
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Workqueue: usb_hub_wq hub_event
  Call Trace:
   __dump_stack lib/dump_stack.c:16
   dump_stack+0x292/0x395 lib/dump_stack.c:52
   print_address_description+0x78/0x280 mm/kasan/report.c:252
   kasan_report_error mm/kasan/report.c:351
   kasan_report+0x22f/0x340 mm/kasan/report.c:409
   __asan_report_load1_noabort+0x19/0x20 mm/kasan/report.c:427
   snd_usb_create_streams sound/usb/card.c:248
   usb_audio_probe+0x27b2/0x2ab0 sound/usb/card.c:605
   usb_probe_interface+0x35d/0x8e0 drivers/usb/core/driver.c:361
   really_probe drivers/base/dd.c:413
   driver_probe_device+0x610/0xa00 drivers/base/dd.c:557
   __device_attach_driver+0x230/0x290 drivers/base/dd.c:653
   bus_for_each_drv+0x161/0x210 drivers/base/bus.c:463
   __device_attach+0x26e/0x3d0 drivers/base/dd.c:710
   device_initial_probe+0x1f/0x30 drivers/base/dd.c:757
   bus_probe_device+0x1eb/0x290 drivers/base/bus.c:523
   device_add+0xd0b/0x1660 drivers/base/core.c:1835
   usb_set_configuration+0x104e/0x1870 drivers/usb/core/message.c:1932
   generic_probe+0x73/0xe0 drivers/usb/core/generic.c:174
   usb_probe_device+0xaf/0xe0 drivers/usb/core/driver.c:266
   really_probe drivers/base/dd.c:413
   driver_probe_device+0x610/0xa00 drivers/base/dd.c:557
   __device_attach_driver+0x230/0x290 drivers/base/dd.c:653
   bus_for_each_drv+0x161/0x210 drivers/base/bus.c:463
   __device_attach+0x26e/0x3d0 drivers/base/dd.c:710
   device_initial_probe+0x1f/0x30 drivers/base/dd.c:757
   bus_probe_device+0x1eb/0x290 drivers/base/bus.c:523
   device_add+0xd0b/0x1660 drivers/base/core.c:1835
   usb_new_device+0x7b8/0x1020 drivers/usb/core/hub.c:2457
   hub_port_connect drivers/usb/core/hub.c:4903
   hub_port_connect_change drivers/usb/core/hub.c:5009
   port_event drivers/usb/core/hub.c:5115
   hub_event+0x194d/0x3740 drivers/usb/core/hub.c:5195
   process_one_work+0xc7f/0x1db0 kernel/workqueue.c:2119
   worker_thread+0x221/0x1850 kernel/workqueue.c:2253
   kthread+0x3a1/0x470 kernel/kthread.c:231
   ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431

This patch adds the checks of out-of-bounce accesses at appropriate
places and bails out when it goes out of the given buffer.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-09-22 16:21:31 +02:00
Kai-Heng Feng
0dcd020b7a ALSA: usb-audio: Add sample rate quirk for Plantronics C310/C520-M
Like other Plantronics devices, C310 and C520-M do not support sample
rate reading. Add them to the sample rate quirk accordingly.

BugLink: https://bugs.launchpad.net/bugs/1708499
BugLink: https://bugs.launchpad.net/bugs/1709282
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-09-20 22:14:40 +02:00
Hans P. Möller Ebner
729fbfc92a ALSA: line6: add support for POD HD DESKTOP
Add support for the Line6 POD HD500X multi effect processor for playback
and capture (in/out audio) through USB.

Signed-off-by: Hans P. Moller <hmoller@uc.cl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-09-19 22:11:36 +02:00
Markus Elfring
f804fff136 ALSA: 6fire: Use common error handling code in usb6fire_chip_probe()
Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-09-07 10:29:35 +02:00
Markus Elfring
d2d9770879 ALSA: usx2y: Use common error handling code in submit_urbs()
Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-09-07 10:28:30 +02:00
Markus Elfring
80753cdfef ALSA: us122l: Use common error handling code in us122l_create_card()
Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-09-07 10:27:42 +02:00
Takashi Iwai
10304d71cb ALSA: usx2y: Put missing KERN_CONT prefix
The usx2y driver has a debug printk code without proper KERN_ prefix.
On recent kernels, KERN_CONT prefix is mandatory for continued output
lines.  Put it properly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-08-31 11:02:14 +02:00
Takashi Iwai
5659f24458 ALSA: usb-audio: Put missing KERN_CONT prefix
The usb-audio driver has a debug printk code without proper KERN_
prefix.  On recent kernels, KERN_CONT prefix is mandatory for
continued output lines.  Put it properly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-08-31 11:02:13 +02:00
Markus Elfring
731209cc04 ALSA: usb-midi: Use common error handling code in __snd_usbmidi_create()
Add jump targets so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-08-23 12:53:57 +02:00
Takashi Iwai
241bc82e62 Merge branch 'for-linus' into for-next
Conflicts:
	sound/core/control.c
2017-08-22 15:44:45 +02:00